JO

John K. Olthafer

RH Rite-Hite Holding: 2 patents #122 of 246Top 50%
📍 Dickeyville, WI: #6 of 8 inventorsTop 75%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,203,149 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6574832 Yieldable guide for a door James C. Boerger, Mark G. Petri, Robert J. Harter 2003-06-10
5392836 Door assembly Floyd D. West, Mark Ungs, David Noon 1995-02-28